For those of you who don't know, he worked on the original soundtrack, and the Moria and East Rohan expansion scores, and is basically responsible for all of your favourite music in the game.

There's also some mysterious announcement due next Thursday that's Chance Thomas related...

Chance Thomas wrote:
This week was a big music announcement.
Next week is a REALLY big music announcement.

I can only assume it's going to be the reveal that the soundtrack will go on sale (and perhaps not as a digital only download), since the question of "can i buy the music" was not brought up on the stream even though at least one person in chat must have asked it...